* {
    margin: 0;
    padding: 0;
}
a {
    text-decoration: none;
    color: rgb(167, 167, 167);
    line-height: 21px;
    font-size: 12px;
}
a:hover {
    color: black;
}
input {
    outline: none;
}
ul {
    list-style: none;
}
/* 顶部导航 */
nav {
    height: 45px;
    padding: 6px 15px;
}
nav li {
    float: left;
    height: 45px;
    padding: 0 12px;
}
nav li a {
    color: rgb(82, 82, 82);
    font-size: 14px;
    line-height: 45px;
}
.help {
    float: right;
    margin-right: 15px;
    height: 45px;
    padding: 0 15px;
    border-radius: 22.5px;
    background-color: rgb(103, 165, 187);
    line-height: 45px;
    color: white;
    cursor: pointer;
}
.help:hover {
    background-color: rgb(62, 117, 142);
}
@media screen and (max-width: 700px) {
    nav li a {
        font-size: 12px;
    }
}
/* 搜索框部分 */
.search-part {
    position: absolute;
    top: 39%;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 300px;
    width: 670px;
    padding: 15px;
}
.logo {
    width: 300px;
    height: 90px;
    margin: 36px auto;
}
.logo img {
    width: 100%;
}
.search-box {
    position: relative;
    display: flex;
    width: 673px;
    height: 45px;
    border: 3px solid rgb(103, 165, 187);
}
.search-box input {
    position: relative;
    flex: 4;
    height: 45px;
    padding-left: 15px;
    border: none;
    background-color: transparent;
    line-height: 45px;
    font-size: 18px;
    color: rgb(39, 39, 39);
    box-sizing: border-box;
}
.search-box .dancing01 {
    flex: 1;
    height: 49px;
    margin: -2px -2px 0 0;
    background-color: rgb(103, 165, 187);
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
}
.dancing02 {
    position: absolute;
    top: 0;
    right: 0;
    height: 49px;
    background-color: rgb(103, 165, 187);
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    user-select: none;
}
.search-box button:hover {
    background-color: rgb(62, 117, 142);
}
/* 底部footer */
footer {
    position: absolute;
    bottom: 18px;
    width: 100%;
    text-align: center;
}
footer ul {
    display: table;
    margin: 0 auto;
    text-align: center;
}
footer ul li {
    position: relative;
    float: left;
    height: 21px;
    padding: 0 9px;
}
footer ul .more a::after {
    position: absolute;
    content: '';
    top: 11px;
    right: 2px;
    transform: rotate(-135deg);
    width: 7px;
    height: 7px;
    border-bottom: 2px solid rgb(167, 167, 167);
    border-right: 2px solid rgb(167, 167, 167);
}
footer ul .more:hover a::after {
    border-color: black;
}
.detail {
    display: none;
    position: absolute;
    top: -115px;
    right: 198px;
    width: 215px;
    height: 100px;
    padding: 5px;
    background-color: white;
    border: 1px solid rgba(214, 214, 214, 0.3);
    box-shadow: 3px 3px 4px rgba(0,0,0,.3);
    box-sizing: border-box;
}
.detail span {
    font-size: 12px;
    color: rgb(103, 103, 103);
}
/* 主题部分 */
.main-content {
    display: none;
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    height: 450px;
    z-index: 999;
}
.main-content img {
    height: 100%;
    pointer-events: none;
}
.sword {
    position: absolute;
    top: 0;
    left: 0;
    height: 60px;
    width: 60px;
    border-radius: 30px;
    background-color: rgb(103, 165, 187);
    color: white;
    text-align: center;
    font-size: 24px;
    line-height: 60px;
}

